Remove temporary hooks from the 3.8 branch.

fixes #25656 for 3.8.


git-svn-id: https://develop.svn.wordpress.org/branches/3.8@26855 602fd350-edb4-49c9-b593-d223f7449a82
Version bump.


git-svn-id: https://develop.svn.wordpress.org/branches/3.8@26856 602fd350-edb4-49c9-b593-d223f7449a82